Behavioral task
behavioral1
Sample
2024-01-26_3cb359c46da7e01294af2dbac117a961_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_3cb359c46da7e01294af2dbac117a961_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_3cb359c46da7e01294af2dbac117a961_cryptolocker
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Size
81KB
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MD5
3cb359c46da7e01294af2dbac117a961
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SHA1
a3b5d26134e36a1e48d0d8c04ffa6da035ab3e09
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SHA256
59db4e4116dee7905abd7d38296a5a0fe3833e0a8291355d53ac72c06af16d9d
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SHA512
c5421c1656068c77b995794b8afa5bfd37fe06bd568ff592184e43e68cb6593f8cb4e1439592043c2b700d5ed2cce2d91f0913e02df3c056f9561768e899622e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1P:zCsanOtEvwDpjF
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-26_3cb359c46da7e01294af2dbac117a961_cryptolocker
Files
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2024-01-26_3cb359c46da7e01294af2dbac117a961_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE